Finding the Fourth Proportional to 2,913,910,561.40, 4,370,865,842.10 and 1,984,101,387.80
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Solution
The fourth proportional to 2,913,910,561.40, 4,370,865,842.10 and 1,984,101,387.80 is: 2,976,152,081.70
Step by Step Solution
- Step 1: Write the proportion equation
2,913,910,561.40 : 4,370,865,842.10 = 1,984,101,387.80 : x - Step 2: Convert to fraction form
2,913,910,561.40/4,370,865,842.10 = 1,984,101,387.80/x - Step 3: Cross multiply
2,913,910,561.40x = 4,370,865,842.10 × 1,984,101,387.80 - Step 4: Simplify right side
2,913,910,561.40x = 8,672,240,983,198,226,432 - Step 5: Solve for x
x = 8,672,240,983,198,226,432/2,913,910,561.40 - Step 6: Final answer
x = 2,976,152,081.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.